Guide/Water Production

Water is one of the most valuable resources in Oxygen Not Included. This guide will explain how to make your own water when you run out.

Things you'll need: Puft, Algae Distiller, Water Sieve, Liquid Pipe, Liquid Vent, Filtration Medium, Polluted Oxygen source.

The puft will inhale polluted oxygen and defecate slime. The slime can be placed in an algae distiller and is turned into algae and polluted water. The polluted water is then filtered in a water sieve using the filtration medium. You now have clean water.

Alternatively you can use a lavatory instead of the puft and algae distiller as it has a net gain of polluted water. This method doesn't require polluted oxygen. You could also boil the polluted water to get steam to condense into clean water. A gulp fish will slowly turn polluted water into water, but it likes cold temperatures near 0°C (32°F) so the water might freeze killing the fish.